CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows used in operating activities:
Net loss	$ (101,915)	$ (36,445)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	10,099	1,243
Depreciation expense	140	20
Net amortization of premiums and discounts on investments	(107)
Change in fair value of convertible notes		(5,228)
Changes in operating assets and liabilities:
Interest receivable	(13)	(2)
Prepaid expenses and other current assets	(4,053)	(665)
Operating lease right-of-use assets	790
Other assets	(456)	125
Accounts payable	3,755	(872)
Accrued expenses and deferred rent	4,784	5,678
Operating lease liabilities	(120)
Net cash used in operating activities	(87,096)	(25,690)
Cash flows used in investing activities:
Purchases of property and equipment	(1,447)	(14)
Purchases of investments	(154,313)
Proceeds from maturities of short-term investments	60,911
Net cash used in investing activities	(94,849)	(14)
Cash flows provided by financing activities:
Forgiveness of PPP loan		(263)
Proceeds from initial public offering	200,897
Initial public offering costs paid	(1,518)	(80)
Proceeds from issuance of convertible notes—related parties		14,272
Proceeds from issuance of convertible notes		11,887
Proceeds from exercise of stock options	248	34
Proceeds received in advance of issuance of Series C preferred stock		2,070
Net cash provided by financing activities	199,627	27,920
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(203)	2
Net increase in cash, cash equivalents and restricted cash	17,479	2,218
Cash, cash equivalents and restricted cash, beginning of period	50,380	13,066
Cash, cash equivalents and restricted cash, end of period	67,859	15,284
Supplemental disclosure of cash flow information:
Unrealized loss on short-term investments	195
Purchases of property and equipment included in accounts payable	76	29
Right-of-use assets and liabilities upon ASC842 adoption	2,201
Right-of-use assets obtained in exchange for lease liabilities	4,958
Movement of deferred offering costs to equity	4,518
Initial public offering costs included in accounts payable and accrued expenses	526	$ 1,163
Conversion of preferred stock to common stock upon initial public offering	$ 239,351